CN220168110U - Compressor valve plate assembly structure - Google Patents
Compressor valve plate assembly structure Download PDFInfo
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- CN220168110U CN220168110U CN202223533218.2U CN202223533218U CN220168110U CN 220168110 U CN220168110 U CN 220168110U CN 202223533218 U CN202223533218 U CN 202223533218U CN 220168110 U CN220168110 U CN 220168110U
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- valve plate
- valve
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- cylinder
- gasket
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- 230000029058 respiratory gaseous exchange Effects 0.000 claims 6
- 230000003746 surface roughness Effects 0.000 abstract description 4
- 210000002105 tongue Anatomy 0.000 description 27
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Compressor (AREA)
Abstract
The utility model discloses a valve plate assembly structure of a compressor, which is sequentially provided with a cylinder gasket, an air suction valve plate, a valve plate, an air discharge valve plate, a limiting plate assembly and a cylinder cover gasket from a cylinder seat to a cylinder cover, wherein the thickness of the valve plate is less than or equal to 1mm. This valve plate subassembly structure is through improving the valve plate, adopts the thinner valve plate structure of thickness, can reduce the length of arranging the hole runner between suction valve block and the discharge valve block, reduces runner loss and exhaust clearance, can improve suction, exhaust efficiency. Moreover, by adopting the valve plate with thinner thickness, the surface roughness is improved, leakage can be reduced, and the exhaust efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of valve plates of refrigeration compressors, in particular to a valve plate assembly structure of a compressor.
Background
The valve plate assembly is a key part for sucking and exhausting in the refrigeration compressor, and sucking and exhausting actions can be performed in a reciprocating cycle by arranging the sucking valve plate and the exhausting valve plate on two sides of the valve plate, and refrigerant gas is sucked, compressed by the cylinder and then exhausted to the cylinder cover direction. The existing valve plate is relatively thick in order to connect or limit, the thickness of the valve plate is generally 1.5-3.5 mm, the length of an air suction and exhaust runner can be increased, the exhaust clearance is increased, and the air suction and exhaust efficiency is not improved.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a valve plate assembly structure of a compressor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a compressor valve plate assembly structure is provided with a cylinder gasket, an air suction valve plate, a valve plate, an air discharge valve plate, a limiting plate assembly and a cylinder cover gasket in sequence from a cylinder seat to a cylinder cover, wherein the thickness of the valve plate is less than or equal to 1mm.
This valve plate subassembly structure is through improving the valve plate, adopts the thinner valve plate structure of thickness, can reduce the length of arranging the hole runner between suction valve block and the discharge valve block, reduces runner loss and exhaust clearance, can improve suction, exhaust efficiency. Moreover, by adopting the valve plate with thinner thickness, the surface roughness is improved, leakage can be reduced, and the exhaust efficiency is improved.
Preferably, the thickness of the valve plate is 0.1-1 mm, and when the thickness is smaller than 0.2mm, the ultrathin valve plate can be obtained.
Further preferably, the thickness of the valve plate is 0.203-0.254 mm, and in this size range, the valve plate can not only keep the benefit of thickness reduction, but also can realize the connection and bearing functions.
Further, a valve plate exhaust hole and a pair of valve plate air inlet holes are formed in the valve plate, and the valve plate exhaust hole and the valve plate air inlet holes are arranged in a delta shape. Such arrangement can also reduce the range of openings in the valve plate while ensuring good suction and exhaust.
Further, the air suction valve plate comprises an air suction valve tongue which can be opened and closed, the root of the air suction valve tongue is arranged on the air suction valve plate, a pair of opening arms extending from the root are connected with the tongue of the air suction valve tongue, and an air suction valve plate exhaust hole is arranged in the area between the opening arms.
By adopting the air suction valve tongue with the structure, the flow resistance can be effectively reduced by locally increasing the rounding or chamfering on the valve line of the opening of the air suction valve tongue along the air flow direction, and meanwhile, the local area of the air suction valve tongue is increased, so that the local pressure is increased, the valve plate is quickly opened, more air can be sucked into the compressor in each circulation process, and the better refrigerating effect can be achieved.
Further, a pair of exhaust valve plate air suction holes are formed in the exhaust valve plate, and an obliquely arranged exhaust valve tongue is arranged above the exhaust valve plate air suction holes.
After the air suction valve plate, the valve plate and the air discharge valve plate are assembled together, a pair of valve plate air inlet holes and a pair of air discharge valve plate air suction holes are arranged in one-to-one correspondence, and a pair of valve plate air inlet holes correspond to the tongue parts of the air suction valve tongues and can suck air from the valve plate air inlet holes and the air discharge valve plate air suction holes when the valve plate air inlet holes and the air discharge valve plate air suction holes are opened; the valve plate exhaust hole corresponds to the air suction valve plate exhaust hole, is correspondingly arranged with the tongue part of the exhaust valve tongue, and can exhaust air towards the cylinder head when the valve plate exhaust hole is opened. Because the valve plate adopts ultra-thin design, the axial dimension of valve plate inlet port with the valve plate exhaust hole can be very little, runner loss and exhaust clearance in the exhaust process of can reducing.
Further, the limiting plate assembly comprises an exhaust limiting plate, a limiting plate gasket and a limiting valve plate which are sequentially arranged from the exhaust valve plate to the cylinder cover gasket, one-to-one corresponding limiting plate air suction holes are respectively formed in the exhaust limiting plate and the limiting plate gasket, one-to-one corresponding limiting grooves are respectively formed above the pair of limiting plate air suction holes, and inclined limiting plates are arranged in the limiting grooves of the exhaust limiting plate; the lower part of the limit valve plate and the lower part of the cylinder head gasket are respectively provided with an open air suction port in one-to-one correspondence, the open air suction port is correspondingly arranged with the air suction port on the cylinder head, the limit valve plate and the cylinder head gasket are respectively provided with an exhaust groove above the open air suction port, and the exhaust grooves are correspondingly arranged with the limit grooves.
The limiting plate assembly is arranged, and the opening degree of the exhaust valve tongue can be limited by using limiting sheets on the exhaust limiting plate; the limiting grooves and the exhaust grooves are arranged to form a space for exhaust to flow so that exhaust enters the cavity in the cylinder cover from multiple directions; the limiting plate gasket and the cylinder cover gasket are arranged, so that the sealing performance after assembly can be improved, and a certain heat insulation effect is achieved; the exhaust limiting plate and the limiting valve plate can further improve the overall heat insulation performance and connection stability.
Further, a large round hole is formed in the middle of the cylinder gasket, and the large round hole is correspondingly arranged with a cylinder in the cylinder seat.
Further, the cylinder gasket, the air suction valve plate, the air discharge valve plate, the limiting plate assembly and the cylinder cover gasket are respectively of rectangular structures, screw holes corresponding to each other one by one are respectively arranged at four corners, and the cylinder seat and the cylinder cover are packaged together through screws. Adopt the screw of four corners arrangement to connect, it is comparatively convenient, also can guarantee the fastness of encapsulation.
Compared with the prior art, the utility model has the beneficial effects that: this valve plate subassembly structure is through improving the valve plate, adopts the thinner valve plate structure of thickness, can reduce the length of arranging the hole runner between suction valve block and the discharge valve block, reduces runner loss and exhaust clearance, can improve suction, exhaust efficiency. Moreover, by adopting the valve plate with thinner thickness, the surface roughness is improved, leakage can be reduced, and the exhaust efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a compressor valve plate assembly according to the present utility model;
FIG. 2 is a schematic diagram of an exploded view of a valve plate assembly of a compressor in accordance with the present utility model;
FIG. 3 is a schematic diagram of a second exploded view of a compressor valve plate assembly according to the present utility model;
in the figure: 1. a cylinder gasket; 2. a suction valve plate; 201. an air suction valve tongue; 202. an opening arm; 203. an air suction valve plate exhaust hole; 3. a valve plate; 301. a valve plate air inlet hole; 302. a valve plate exhaust hole; 4. an exhaust valve plate; 401. an air suction hole of the air discharge valve plate; 402. an exhaust valve tongue; 5. an exhaust limiting plate; 501. a limit plate air suction hole; 502. a limit groove; 503. a limiting piece; 6. a limiting plate gasket; 7. a limit valve plate; 701. an open air suction port; 702. an exhaust groove; 8. a cylinder head gasket; 9. a cylinder head; 10. screw holes.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 3, a valve plate assembly structure of a compressor is provided with a cylinder gasket 1, an air suction valve plate 2, a valve plate 3, an air discharge valve plate 4, a limiting plate assembly and a cylinder cover gasket 8 in sequence from a cylinder seat to a cylinder cover 9, wherein the thickness of the valve plate 3 is less than or equal to 1mm.
This valve plate subassembly structure is through improving the valve plate, adopts the thinner valve plate 3 structures of thickness, can reduce the length of arranging the hole runner between suction valve block and the discharge valve block, reduces runner loss and exhaust clearance, can improve suction, exhaust efficiency. Moreover, by adopting the valve plate 3 with a thinner thickness, the surface roughness is improved, leakage can be reduced, and the exhaust efficiency can be improved.
Preferably, the thickness of the valve plate 3 is 0.1-1 mm, and when the thickness is less than 0.2mm, an ultra-thin valve plate can be obtained.
It is further preferred that the thickness of the valve plate 3 is between 0.203 and 0.254mm, and in this size range, the valve plate 3 can both maintain the benefits of thickness reduction and also can combine the connection and bearing functions.
Further, the valve plate 3 is provided with a valve plate exhaust hole 302 and a pair of valve plate air inlet holes 301, and the valve plate exhaust hole 302 and the valve plate air inlet holes 301 are arranged in a delta shape. Such arrangement can also reduce the range of openings in the valve plate while ensuring good suction and exhaust.
Further, the suction valve plate 2 includes a openable suction valve tongue 201, the root of the suction valve tongue 201 is disposed on the suction valve plate 2, a pair of opening arms 202 extending from the root are connected with the tongue of the suction valve tongue 201, and a suction valve plate exhaust hole 203 is disposed in a region between the pair of opening arms 202.
By adopting the air suction valve tongue 201 with the structure, the flow resistance can be effectively reduced by locally increasing the rounding or chamfering on the valve line of the opening of the air suction valve tongue 201 along the air flow direction, and meanwhile, the local area of the air suction valve tongue is increased, so that the local pressure is increased, the valve plate is quickly opened, more air can be sucked into the compressor in each circulation process, and a better refrigerating effect can be achieved.
Further, the exhaust valve plate 4 is provided with a pair of exhaust valve plate suction holes 401, and an inclined exhaust valve tongue 402 is arranged above the exhaust valve plate suction holes 401.
After the air suction valve plate 2, the valve plate 3 and the air discharge valve plate 4 are assembled together, a pair of valve plate air inlet holes 301 and a pair of air discharge valve plate air suction holes 401 are arranged in one-to-one correspondence and correspond to the tongue parts of the air suction valve tongues 201, and can suck air from the valve plate air inlet holes 301 and the air discharge valve plate air suction holes 401 when the air suction valve plates are opened; the valve plate exhaust hole 302 corresponds to the intake valve plate exhaust hole 203, and is provided to correspond to a tongue portion of the exhaust valve flap 402, so that exhaust can be performed in the cylinder head direction when the valve plate exhaust hole is opened. Because the valve plate 3 adopts an ultrathin design, the axial dimensions of the valve plate air inlet 301 and the valve plate air outlet 302 can be very small, and the flow passage loss and the exhaust clearance in the process of sucking and exhausting can be reduced.
Further, the limiting plate assembly comprises an exhaust limiting plate 5, a limiting plate gasket 6 and a limiting valve plate 7 which are sequentially arranged from the exhaust valve plate 4 to the cylinder cover gasket 8, one-to-one corresponding limiting plate air suction holes 501 are respectively formed in the exhaust limiting plate 5 and the limiting plate gasket 6, one-to-one corresponding limiting grooves 502 are respectively formed above the pair of limiting plate air suction holes 501, and inclined limiting plates 503 are arranged in the limiting grooves of the exhaust limiting plate 5; the lower parts of the limit valve plate 7 and the cylinder head gasket 8 are respectively provided with one-to-one corresponding open air suction ports 701, the open air suction ports 701 are correspondingly arranged with the air suction ports on the cylinder head 9, the limit valve plate 7 and the cylinder head gasket 8 are respectively provided with exhaust grooves 702 above the open air suction ports, and the exhaust grooves 702 are correspondingly arranged with the limit grooves 502.
The limiting plate assembly is arranged, so that the opening degree of the exhaust valve tongue 402 can be limited by using the limiting plate 503 on the exhaust limiting plate 5; the spacing groove 502 and the exhaust groove 702 are arranged to form a space for exhaust gas to flow so that exhaust gas enters the cavity in the cylinder head from multiple directions; the limiting plate gasket 6 and the cylinder cover gasket 8 are arranged, so that the sealing performance after assembly can be improved, and a certain heat insulation effect is achieved; the exhaust limiting plate 5 and the limiting valve plate 7 can further improve the overall heat insulation performance and connection stability.
Further, a large round hole is formed in the middle of the cylinder gasket 1, and the large round hole is correspondingly arranged with a cylinder in the cylinder seat.
Further, the cylinder gasket 1, the air suction valve plate 2, the valve plate 3, the air discharge valve plate 4, the air discharge limiting plate 5, the limiting plate gasket 6, the limiting valve plate 7 and the cylinder cover gasket 8 are respectively in round corner rectangular structures, four corners are respectively provided with screw holes 10 in one-to-one correspondence, and the cylinder seat and the cylinder cover 9 are packaged together through screws. Adopt the screw of four corners arrangement to connect, it is comparatively convenient, also can guarantee the fastness of encapsulation.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a compressor valve plate subassembly structure, its characterized in that is equipped with cylinder gasket, valve block of breathing in, valve plate, discharge valve piece, limiting plate subassembly and cylinder cap gasket in proper order from cylinder block to cylinder cap direction, be equipped with a valve plate exhaust hole and a pair of valve plate inlet port on the valve plate, the valve block of breathing in includes the valve clack of breathing in and the valve block exhaust hole of breathing in that can open and close, the root setting of valve clack of breathing in is in on the valve block of breathing in, a pair of discharge valve piece suction hole has been seted up on the discharge valve piece, a pair of discharge valve piece suction hole's top is equipped with the discharge valve clack of inclined, wherein the thickness of valve plate is less than or equal to 1mm.
2. The compressor valve plate assembly structure of claim 1, wherein the valve plate has a thickness of 0.1 to 1mm.
3. The compressor valve plate assembly structure of claim 1, wherein the valve plate has a thickness of 0.203-0.254 mm.
4. The compressor valve plate assembly structure of claim 1, wherein the valve plate exhaust holes are arranged in a delta shape with the valve plate intake holes.
5. The compressor valve plate assembly structure of claim 1, wherein a pair of opening arms extending from a root portion are connected to a tongue portion of the suction valve tongue, and a region between the pair of opening arms is provided with suction valve plate exhaust holes.
6. The compressor valve plate assembly structure according to claim 1, wherein the limiting plate assembly comprises an exhaust limiting plate, a limiting plate gasket and a limiting valve plate which are sequentially arranged from the exhaust valve plate to the cylinder cover gasket, one-to-one corresponding limiting plate air suction holes are respectively formed in the exhaust limiting plate and the limiting plate gasket, one-to-one corresponding limiting grooves are respectively formed above the pair of limiting plate air suction holes, and inclined limiting plates are arranged in the limiting grooves of the exhaust limiting plate; the lower part of the limit valve plate and the lower part of the cylinder head gasket are respectively provided with an open air suction port in one-to-one correspondence, the open air suction port is correspondingly arranged with the air suction port on the cylinder head, the limit valve plate and the cylinder head gasket are respectively provided with an exhaust groove above the open air suction port, and the exhaust grooves are correspondingly arranged with the limit grooves.
7. The compressor valve plate assembly structure of claim 1, wherein a large circular hole is provided in a middle portion of the cylinder gasket, the large circular hole being provided corresponding to a cylinder in the cylinder block.
8. The compressor valve plate assembly structure of claim 1, wherein the cylinder gasket, the suction valve plate, the discharge valve plate, the limiting plate assembly and the cylinder head gasket are respectively rectangular structures, four corners of the cylinder gasket are respectively provided with screw holes in one-to-one correspondence, and the cylinder gasket, the suction valve plate, the discharge valve plate, the limiting plate assembly and the cylinder head gasket are packaged on the cylinder block and the cylinder head together through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223533218.2U CN220168110U (en) | 2022-12-29 | 2022-12-29 | Compressor valve plate assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223533218.2U CN220168110U (en) | 2022-12-29 | 2022-12-29 | Compressor valve plate assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220168110U true CN220168110U (en) | 2023-12-12 |
Family
ID=89062772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223533218.2U Active CN220168110U (en) | 2022-12-29 | 2022-12-29 | Compressor valve plate assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220168110U (en) |
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2022
- 2022-12-29 CN CN202223533218.2U patent/CN220168110U/en active Active
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